| 摘要 |
A flexible tube of an endoscope includes a tubular spiral, a meshwork tube provided around the tubular spiral, and a resin sheath provided around the meshwork tube. The meshwork tube is made by netting a plurality of wire bundles, each of the bundles being made of a plurality of metal wires. At least one wire for each bundle is coated with a coating material made of thermoplastic resin. The coating material is bonded to the resin sheath and the tubular spiral by heating the resin sheath and the meshwork tube.
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